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[DOC File]CHAPTER THREE
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(Answer with a symbol and in words.) ... The formula for the confidence interval for the population mean when the population standard deviation is known is: (0.5 points) As the sample size increases, the width of the interval (circle one): increases / decreases / stays the same.
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[DOC File]Symbol formats
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The symbol (2 is used to represent. a. the variance of the population. b. the standard deviation of the sample. c. the standard deviation of the population. d. the variance of the sample. e. None of the above answers is correct. 63. The mean of the sample.
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[DOC File]Okun - Arizona State University
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Symbol formats. The table below summarizes the correct format of statistical parameters. In many cases, Greek letters are used to indicate the population parameter for a statistic, and corresponding English letters are used to indicate the sample statistic that is an estimate of that population parameter.
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Population Standard Deviation Calculator - MiniWebtool
σ population standard deviation σ2 population variance sample proportion (symbol is supposed to be P with a carat symbol, ^, over it, referred to as “p hat”)
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[DOC File]Symbol and Pronunciation Key - University of San Diego
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∑ “sigma” = summation. (This is upper-case sigma. Lower-case sigma, σ, means standard deviation of a population.
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[DOC File]Formula Sheet and List of Symbols, Basic Statistical Inference
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In probability and statistics, the standard deviationof a probability distribution, random variable, or population or multiset of values is a measure of the spread of its values. It is usually denoted with the letter σ (lower case sigma). It is defined as the square root of the variance.
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[DOC File]PA551 - Portland State University
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Chapter Symbol Meaning Pronunciation 2: Presenting Data in Tables and Charts 3:Summarizing and Describing Numerical Data N Population size n Sample size Population Mean mu Operation of Adding sigma or sum X Adding a group of values sigma X or sum of X Sample mean X bar (2 Population variance sigma squared ( Population standard deviation sigma S sample standard deviation 4: …
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[DOC File]Standard deviation
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The symbol for the population standard deviation is (x. The population standard deviation is calculated by dividing the SS by N and then taking the positive square root.
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[DOCX File]Wilmington University
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Title: Formula Sheet and List of Symbols, Basic Statistical Inference Author: Brian Stipak Last modified by: Brian Stipak Created Date: 2/1/2007 8:56:00 PM
standard deviation of sample symbol

The symbol for population standard deviation